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supersonictw/alpine-wifi-txpower.sh

Created August 22, 2025 03:01
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Set legal Tx-Power for Taiwan 2.4GHz
Raw
alpine-wifi-txpower.sh
sudo tee /etc/network/if-up.d/wifi-txpower > /dev/null << 'EOF'
#!/bin/sh
# Only apply to wlan0 interface
[ "$IFACE" = "wlan0" ] || exit 0
# Set legal Tx-Power for Taiwan 2.4GHz
iwconfig wlan0 txpower 15
# Disable Wi-Fi power-save (optional)
iw dev wlan0 set power_save off
EOF
sudo chmod +x /etc/network/if-up.d/wifi-txpower
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